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Anton [14]
2 years ago
12

A grocer wants to mix a type of spice which costs £22 per kilogram with another type

Mathematics
1 answer:
AfilCa [17]2 years ago
8 0

Answer:

60

Step-by-step explanation:

let a = 22 / kg, and b = 12 / kg

a + b = 20 kg

22a + 12b = 15 * 20

12a + 12b = 240

10a = 60

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A washer and dryer cost a total of $924. The cost of the washer is two times the cost of the dryer. Find the cost of each item.
marshall27 [118]

Answer:

Washer = $616, Dryer = $308

Step-by-step explanation:

When something is twice the cost of something else but add up to be a total number that means 2/3rds is one item and 1/3 is the other.

924 / 3 = 308

308 * 2 = 616

308 + 616 = 924

6 0
4 years ago
A metro car in New Orleans travels 4 miles in 3 minutes. If the relationship between distance, in miles, and time, in minutes, o
KATRIN_1 [288]

Answer:

The awnser is C

Step-by-step explanation:

8 0
3 years ago
What is the value of − 9 × ( 1 4 ) ÷ ( − 0.75 ) ?
andre [41]

Answer: 168

Step-by-step explanation:

1. -9 * 14 = -126

2. -126/ -0.75 = 168

8 0
3 years ago
The total cost, in dollars, of membership in a fitness center is given by the function c(m) = 25m + 50, where m is the number of
____ [38]

Answer:

$450

Step-by-step explanation:

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c(m)=450

8 0
3 years ago
Pls help with math fast !!
Nutka1998 [239]

Answer:

1 would: You dont have to pay anything because 80% of 750 is $150 which you also have to deduct $150 so you dont pay anything.

2: 90% of $575 is $517 so 58 dollars would be deducted.

Hope this helps:)

7 0
3 years ago
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